Abstract
A search has been made with the Crystal Ball Detector for axionlike particles in radiative JΨ decays. An upper limit on the branching ratio B(JΨ→γ+a)<1.4×10−5 (90% C.L.) is obtained. This result holds for long-lived, noninteracting pseudoscalar or vector particles of mass less than 1 GeV. Thus, this experiment also places stringent limits on the existence of other possible light bosons such as those arising in supersymmetric theories.Received 8 February 1982DOI:https://doi.org/10.1103/PhysRevLett.48.903©1982 American Physical Society
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